Name: Margaret Mary Alacoque (Marguerite-Marie Alacoque)
Birth & Death: 22 July 1647 - 17 October 1690
Feast Day: 16 October
Country of Origin: France
History: As a child, she contracted rheumatic fever which caused her to be bedridden for several years. She vowed her life to God and received a vision of the Blessed Mother, after which she was healed. Later in life she received a vision of Christ and joined the Visitation order at 24. After she had made her final profession, she began to receive visions of Christ detailing to her the devotion to the Sacred Heart.